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所在平台: Udemy |
课程主页: https://www.udemy.com/course/indexes-and-the-microsoft-sql-server/
课程评论：没有评论
**Coursera课程《Microsoft SQL Server的索引》内容摘要** 随着数据库规模的不断增长，响应时间变慢和用户体验下降等问题日益突出。本课程专注于讲解**索引**这一关键技术，它能够显著提升数据库数据检索的速度，从而优化查询性能。 **核心内容：** * **索引的作用与原理：** 课程将深入阐述索引作为数据库“加速器”的角色，解释其如何帮助数据库服务器更高效地导航和定位数据，大幅缩短查询响应时间。甚至可能将原本需要数小时的查询优化至几分钟。 * **索引对硬件的影响：** 课程还会探讨优化索引对硬件资源利用率的积极影响，可能允许使用更小的硬件配置或降低现有硬件的负载。 * **不同类型的索引：** 您将学习到各种类型的索引，了解它们的特性和适用场景。 * **执行计划分析：** 课程将重点讲解如何分析SQL Server的执行计划，这是理解查询性能瓶颈和评估索引有效性的重要工具。 * **实际应用与优化：** 学习完成后，您将能够准确分析SQL Server的性能状况，并根据实际情况确定并实施必要的索引优化措施。 **为什么学习本课程：** 掌握索引及其应用对于数据库管理员和开发人员来说是极其宝贵的技能，其潜在的价值巨大。正确应用本课程所学知识，能够显著提升数据库性能，为您的职业发展和薪资谈判带来优势。
With time databases continue to grow. And along with this problems emerge. The response time is longer and longer, and meanwhile the user is falling asleep in front of their screen. Indices can be used as accelerators, due to them assisting the database servers navigation through the existing data.Data can be found faster and the response time significantly reduced. It has occurred, that one or two well-chosen indices can reduce the response time of a query from several hours to a few minutes. This also has an impact on the used hardware. Which therefore can be considerably smaller, or rather reduce utilization. Good knowledge of indices and their use are rare. but it's potential yet enormous. This course will teach you what indices are and how they can be applied. We will go over the different types of indices and we will also take a closer look at execution plans. Upon completion of this course, you will be able to analyze exact situation on your SQL server and determine necessary improvements. If you apply the knowledge of this course correctly, you can surely score at your next salary negotiation.
